{"data":{"id":"10.6084/m9.figshare.c.2042348.v1","type":"dois","attributes":{"doi":"10.6084/m9.figshare.c.2042348.v1","prefix":"10.6084","suffix":"m9.figshare.c.2042348.v1","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Tian, Liping","givenName":"Liping","familyName":"Tian","affiliation":[],"nameIdentifiers":[]},{"name":"Tang, Hui","givenName":"Hui","familyName":"Tang","affiliation":[],"nameIdentifiers":[]},{"name":"Yao, Xincheng","givenName":"Xincheng","familyName":"Yao","affiliation":[],"nameIdentifiers":[]},{"name":"Gu, Chengzhi","givenName":"Chengzhi","familyName":"Gu","affiliation":[],"nameIdentifiers":[]},{"name":"Wang, Xinbing","givenName":"Xinbing","familyName":"Wang","affiliation":[],"nameIdentifiers":[]}],"titles":[{"title":"Comparative study on the antioxidant activities of extracts of \u003ci\u003eCoreopsis tinctoria\u003c/i\u003e flowering tops from Kunlun Mountains, Xinjiang, north-western China"}],"publisher":"Taylor \u0026 Francis","container":{},"publicationYear":2015,"subjects":[{"subject":"Hematology"},{"subject":"Science Policy"},{"subject":"Cancer"},{"subject":"Biological Sciences"},{"subject":"Sociology"},{"subject":"FOS: Sociology","schemeUri":"http://www.oecd.org/science/inno/38235147.pdf","subjectScheme":"Fields of Science and Technology (FOS)"},{"subject":"Ecology"},{"subject":"FOS: Biological sciences","schemeUri":"http://www.oecd.org/science/inno/38235147.pdf","subjectScheme":"Fields of Science and Technology (FOS)"},{"subject":"Chemistry"},{"subject":"Earth and Environmental Sciences"},{"subject":"Biotechnology"},{"subject":"Molecular Biology"},{"subject":"Biochemistry"}],"contributors":[],"dates":[{"date":"2015-12-05","dateType":"Created"},{"date":"2019-08-19","dateType":"Updated"},{"date":"2015","dateType":"Issued"}],"language":null,"types":{"ris":"GEN","bibtex":"misc","citeproc":"article","schemaOrg":"Collection","resourceType":"Collection","resourceTypeGeneral":"Collection"},"relatedIdentifiers":[{"relationType":"IsIdenticalTo","relatedIdentifier":"10.6084/m9.figshare.c.2042348","relatedIdentifierType":"DOI"}],"relatedItems":[],"sizes":[],"formats":[],"version":null,"rightsList":[{"rights":"Creative Commons Attribution 4.0 International","rightsUri":"https://creativecommons.org/licenses/by/4.0/legalcode","schemeUri":"https://spdx.org/licenses/","rightsIdentifier":"cc-by-4.0","rightsIdentifierScheme":"SPDX"}],"descriptions":[{"description":"\u003ci\u003eCoreopsis tinctoria\u003c/i\u003e flowering tops (CTFs) from the Kunlun Mountains in Xinjing (north-western China) have been used for tea production for about a century. This study aims to assess the antioxidant activities and total phenolic, flavonoid and proanthocyanidin contents of various solvent extracts of CTF. CTF was extracted using \u003ci\u003en\u003c/i\u003e-hexane, chloroform, ethyl acetate, \u003ci\u003en\u003c/i\u003e-butanol, 75% aqueous ethanol (AEE) and water. The antioxidant activities of the CTF extracts were investigated through DPPH, ABTS, \u003csup\u003e*\u003c/sup\u003eOH, \u003csup\u003e*\u003c/sup\u003eO\u003csub\u003e2\u003c/sub\u003e\u003csup\u003e− \u003c/sup\u003e, total antioxidant capacity and reducing power assays. The results showed that \u003ci\u003en\u003c/i\u003e-butanol extract showed the highest contents of total phenols and flavonoids, with DPPH, ABTS and \u003csup\u003e*\u003c/sup\u003eOH radical-scavenging activities with IC\u003csub\u003e50\u003c/sub\u003e values of 134, 90.72 and 13.8 μg mL\u003csup\u003e− 1\u003c/sup\u003e, respectively. The AEE demonstrated the strongest DPPH and ABTS radical-scavenging activities, with IC\u003csub\u003e50\u003c/sub\u003e values of 103 and 75.16 μg mL\u003csup\u003e− 1\u003c/sup\u003e, respectively. Given its high antioxidant effect, CTF is a good source of natural antioxidants or functional food materials.","descriptionType":"Abstract"}],"geoLocations":[],"fundingReferences":[],"xml":"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